{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68830",
    "entityType": "User",
    "nonce": "0xda8ba4cacce240a800ec912ecb0fb9cdf57a6f3090b7a04b98a67a413f41a6a3",
    "signature": "0x5ff025a1996bae042394d6ff4e3b300d01d350db74a6ebfeb0d4764fec9bf2c43759a8eded1375b774fad88bf304a81f3276eea98674eb83b28bfe66d695df671b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}