{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd110b675ea48bcce72984c77e7743e5a60294220f6daff0fed1651da2946b0fd",
    "signature": "0x727ef13cc59ae216b062e471292e362a3fd63241bf6c961da14df5e5b3806be8175421d8d1efc1cca8c66151ebc32da1a0e32ae4ddf8f06abe1dd9cc7a3cc9a41b",
    "signer": "0xF682515F1Bc2F663160bCa1CAfc22590942095Db",
    "userId": "258782633"
  }
}