{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "793663382",
    "entityType": "User",
    "nonce": "0x8e1f15abc95cfd748159e99e9c886c8024e7d2e6e89be6d2a1f3dd9931dd7ff6",
    "signature": "0x4ea6fa214a35e4d5691157ec599f4e44f2a87ca23ed515a72c0dc17f36f89a5c151d610d91c24523813f7de470126ca6ace88a55f50fc6947b9aeacd7da043901b",
    "signer": "0x48997477d821e30d3Fa835d1Ee7809B3253Cb100",
    "userId": "75085"
  }
}