{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147982",
    "entityType": "User",
    "nonce": "0x906ec7179e5729094ae1a35a98c5063889936a3868323da69a659b3da9ba43d2",
    "signature": "0x43d16573545786aed1e34ecfc64eb54c07ba74d1f436ede8e8b9f9320935f05f00ce090992b3eb5cf1fa8c46cee66d69f37e78f6f2a2d69d5b55f16fbd2b0f291c",
    "signer": "0xe74EA561439c78F34f4928Eb44ee8Bc5d67c3d45",
    "userId": "781858883"
  }
}