{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "597677270",
    "entityType": "User",
    "nonce": "0x2dd8dcfe3dfb10304d3157899909eaa8b1ae3cee1934d81bcf61252872418eb9",
    "signature": "0x72abd29025a69951b7bdede3e2b20a3bfb58bc725df6ea57c1277290ac88b5b56dc4817c695ccaab45459c2a72df8cb3be06469084f06f409f8c33d35f5b416f1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}