{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0xc8fd00003af66c3509a3aa87caad7046abdaf18fd400216333936a21664999af",
    "signature": "0xeb3f3c9035286ab2f8dbcb71141fc3944ff5408f5f4a20bcdd9443cb16877b036804579d843a7e82cc06b54c13baa47e96e2835094c10ac85ea5e14a5b1754dd1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}