{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0x4f638f2f113447cad800b6961a1986d5128ea33f4d9b5f674832bb037815a124",
    "signature": "0x98f24cc59aeac133887f1cf812f89318b00dadac4772ad46f7d6442aed427a790357147c80407dd8e8b07cd8c71742f7a245c094983c03b1bdbe64da9700aa3d1b",
    "signer": "0xA2A7F6D0A60Aa993039d703b311b3985374168CD",
    "userId": "884664383"
  }
}