{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182787",
    "entityType": "User",
    "nonce": "0x8d141b1bf391e84e665f0754d89a2bb2de9bde781ece698a9e33bf583fd4c189",
    "signature": "0x1fbc0d87b1a436448f34c95a8a66db3fc48dd74c916f05cbb31c2b9aa18444507d8ab68fbe6ee405e9de08867b6311d3e4c210a1cd9ceedec0adc54939c1853a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}