{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x50d9a6de5bab2d5dddbe261aa6d374d83d5e0fd1fe81fa6bdfeb637e62475e59",
    "signature": "0x2722aa6116239f0e15d85c8141c7fe5bb98cec167e81ae6798f9d7da43b66665740a7f3bae92a79c9345b12ba8256c6c3e888db15ef48016cf7431802dfae84b1b",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}