{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182428",
    "entityType": "User",
    "nonce": "0x8bdeb6e061196c31e8d048833801e14d891569e589c23f59ef4183d0c0d63c88",
    "signature": "0x7effd656aea077f22ca43d0cef8a1dcfc2c8fab97486da846c05ea184682593f5af8d753406a607f72bf25c11216ca6f4cc7db57d0cde6b8572456992105b65e1c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}