{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x59fe369231b7b49eb08382894fe63f39cd9f0e619a37b95ada03090ad0af80f2",
    "signature": "0xe244f0f916bb1ab07aece17dfc568dac5cb83dcdebfca6350f242bf6438748137aaaf5cfa504778d965921eb4e65082dd16b5a7f7289f5d03a6e4c5a4517eb501c",
    "signer": "0x8bf63fF929862Bdfc338Fc6A74Ed7c6d2cB3a691",
    "userId": "927933138"
  }
}