{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33459451",
    "entityType": "User",
    "nonce": "0xd77f84f0350cb9b46f55dd35d93d8c485026ae8da010c6af12dbcf43929fcb7a",
    "signature": "0x1400ae683252fd65d873a2d15b78917dd4a7e6d95743e2f444e13cb0c183d7812ca905e7fdb444bb200aa6695d3e5db235530e0e84fd078d892fa6ebf8fbc66c1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}