{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "777109830",
    "entityType": "User",
    "nonce": "0x2c113aace883e5953f640141b668daae0470ea40ee147c83a84ed28acd422873",
    "signature": "0x33cf9426ececb9d0c6689efc17ad070eea7698e521185b31dedcb898d9f3a9644d3e9d5a25c5bc5b88562931bbb38af5791f32ec3f37581770cd0753fb75c63b1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}