{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117408",
    "entityType": "User",
    "nonce": "0xdc50b500c5f6c737912c7aa2984a462e6c19b8c9d344cd070c8091da04baba9f",
    "signature": "0xcfda6817080f5623525dc0a40e20b593ca795fa637b2a13eab50c68fc95d75f26968c86ebaffd42bfdb1cd3a9790e15708bb176baab5029201723d5a5f53d7ca1c",
    "signer": "0xe0f1d0Ca199D9bec117385Ce8D99EEF3b6CcB37c",
    "userId": "109379"
  }
}