{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258307",
    "entityType": "User",
    "nonce": "0x79b104dbbfda3299158d7b840d01ee1219ed277dcfc78e97be3e83dc8dea6f46",
    "signature": "0xfc443f2fd8463d0abb300d61dbc573d7ec5832a017243421a65e6f2d611a00c1387ebb568236c56f2dfe962c3cc6e72f746ebae3457ff5a4689ba11e1ab15b201b",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}