{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x9d9fbac96c0bada3cd82e67228b97258ac4f293d3da41154131f4298e8edfe41",
    "signature": "0x91997247edb8eed8d6d263dbd4a3781f71c4b4b474b47d555d28c05a1df6624d2aa832db35ed3d2a8252e17ff864782eca4259ea7b081eb56b06ffc03b9ac7bd1b",
    "signer": "0x1Ed1f2058c8099D545fF3482b71e7aA41429C008",
    "userId": "347815481"
  }
}