{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7815",
    "entityType": "User",
    "nonce": "0x85cb830bbff4f544df7cad5584b04153f7bfadce982b94d4cfe54266b7fdb608",
    "signature": "0x8cbfe147abdfa373cde73fcb8e55f1199cea9c9b7c8e223a20ef57cd8b4b6a89056c54663ed4eba2609e14030ecb5914c094653bca7de7cf359a54c9e588281e1b",
    "signer": "0x294F540CE80e30CBc9Fb7bEA94F956ABdEcdEf68",
    "userId": "809640913"
  }
}