{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x7412a0035aae3a030fc1f122d5a2208d69c442aac465ad85648f11cbdd56985b",
    "signature": "0xdb2140f94a35791c4960ca1f8755fe413ad8df2789e09f5d3db939cbd36259896ce763608278df6ad6de38aabc3c59d553d9923d11b1b68218f02502c3dc82a01c",
    "signer": "0x5AD826690e05A9ae9fcbB713611248109fCBfD13",
    "userId": "949695949"
  }
}