{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959246781",
    "entityType": "User",
    "nonce": "0xe36a1a25c7cf6ea13636934375ca111631471718734da11aa09c184376044c7a",
    "signature": "0x0b4393d6218f3b7a1d1d663d31e48603d01659b0b855cf5c91ccdf5c40a58f5717a096887939ff050dc027767f11883460b2732bfd6819a7ddfd753f1620b45b1c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}