{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb3041c6f82376c730ada9b2b71403d98604d6005b8060f907cd48d7eaf550680",
    "signature": "0xa4ef8506661f40c52b438ac53be1a16a84578667befce7b32892b79f34da62ab5e8103e43b2cc375e23646103e0cd54c945126874823fd3a95a0b880df8791671b",
    "signer": "0x0b2DB947a0dEc4669AB6C159D05c905EE0B3D7bc",
    "userId": "300386755"
  }
}