{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0xef078a0c41c1a7da2619df24684c99439c817a8d86aa9eb285fc2d3f17260cd5",
    "signature": "0xdd74f274ac5bd4e9d94b43cf4332a0dacc775991e6b8466669b614fb72621e0f5ec28edd4da874f7468472f08fb452e8f0f1ab4fc250b5d133bf52092ffb77921c",
    "signer": "0x01eB7915E4941D64a8ddf370bE06647ad5F79d4e",
    "userId": "911613164"
  }
}