{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "138063",
    "entityType": "User",
    "nonce": "0x651142e843229663c195ad663c8cd4ed981a709e1b3580101742decef240b4e7",
    "signature": "0xb4f2821bdf16edd86e65fd370d1b9f16484074c302d08f57b9111bc36d78342139df1c69b1a74beb9cf24ecb566f8cd0377473775a2947b5b55c6ce71e93cd9a1c",
    "signer": "0x07691D0C34E03020A13BE4B5a411B64CcFff5556",
    "userId": "9014"
  }
}