{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x82b60ef0f330358cfda006319322142efd2ae1ce7cb6211522ec7ed0738de7c0",
    "signature": "0x4f89d4e459d9100a009fe8046ea00b7a4c8b049a71e332ffa055fc1853e5803d57c9b7464bc4937e25a24718e61ad46b5f2cbceede00147f42e48899ab092de01c",
    "signer": "0x07AeE9aa7BdD29c94193F5B00c0ed5CC3CA15Ccf",
    "userId": "650995561"
  }
}