{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x36b85542263f232f08cfcfbbee96ffe68e9c01dbe13e3449822dcff8f003ecd5",
    "signature": "0x3cadafaa10e5cd05a742e340c897ada833f73c9a8e7744c62bcfe4205ed3edf75b67808bc463902120beaa942d7d484ab551badc06aca1ff7e9076650f9fba471c",
    "signer": "0x3731d7Ae56BB1D34C65FE26AF2C4CC1FeA87B8D1",
    "userId": "226031618"
  }
}