{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbe576764df8d25d0c6ad8537281658eb709127fed24da63488fa080cbfed4b32",
    "signature": "0xb1d7233afaf3ee41281dcee3b8c71ac3caa3a6e0353ea593c8d0ea5bae922ff2302690ce4b42a5da03ca2afc787c57f1a65589becb5331272c719b773d7ec1b51c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}