{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42614",
    "entityType": "User",
    "nonce": "0xd3d429e640b8592085d24b73b04230dc3cd9be4c218e494696c0eebf675256a0",
    "signature": "0xefe1c01abf403c0f627338422516af466ee447eb2cb6191c0ef3e3a29e40d8226fc419ef37886c48352161e8a63f98a9cc6ed7a48dc249dadaf91635c56def071c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}