{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbbcc901e686df5a1b98caa245ecf4a3987686dbe49d7c73a03608d9b76f8f61b",
    "signature": "0xa881fc3b1992e9ed507dc5e5d6abd9d2b529874365ee17460bff6355c48df6c00711d0ed3f6a96c7be59dd13580be0829ffb06b8d6e9c55c719358d9b7b315101b",
    "signer": "0x79B3BE46519548af798df1E7003fC6e2D8CF1579",
    "userId": "788993263"
  }
}