{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0xa33d80ca17b2a86cbf83892db46d9d016c80129a2a136b06ac6fc6bbbb2f0e55",
    "signature": "0xc0448c0e4d7924b51381b5e2f598ed451f2edd18706b0b01a5974bb518ee9c7e38e68d132d7584c2476ca62a56b1ddd53cbfb052869c7219f4f50cf85057168d1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}