{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218620",
    "entityType": "User",
    "nonce": "0x24eb94e3b657849f1c4dbc8203295088afbb7935fa209bcb65404e5403d936a1",
    "signature": "0xd2620c742ad3003ebf8d7f7f73aba5dc51946559a9aa4cf0c5c45103d5b2ee7a75ee6261252be164e66bef50908f8e1e13c2dd9ce851f2efbccb6a9089eceb841b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}