{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe76b2999ea78b2b476e11552071635016dbed17685e4529e976fc6cbf980ed5d",
    "signature": "0x00ecbb47b41bee16c82c9a8af7812a5252500370993fa69555961824e0f42120301e9d597e8ca8588a87a29c00a478891321662239db751edc31ee713d22b7321b",
    "signer": "0x79ccb48Cd9904479BB0E6049F3B3f83892bB049f",
    "userId": "744238923"
  }
}