{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5113600352e5b12e2ccbc08f4b5ebaaeffc8529aa04fa9e291f049f5add4ce87",
    "signature": "0x057eb4e19ddba357230c91c2be4d26da280a7e6e8e0ef84e6a3c8f7e07d7e3222690ff517d38d06148715d2ac2e319488da8162c9728a934d15b93615f1830281c",
    "signer": "0xc62687f22DF9746879BE3c3424220113Dcc14ca8",
    "userId": "133842515"
  }
}