{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65615",
    "entityType": "User",
    "nonce": "0xd8d5ebebf96026bb1ea5e5bba69ab8652d6e3e5ecc98701883b6e9e86a78fc06",
    "signature": "0xbd78355466b9a53df4e2cb71f441e893cace170dbeb843184b487e1c17879f257351db6d7dae1118b2f62e25469fa379c715d3df12781a04fff851b17fd6011c1c",
    "signer": "0xFd3eb59AeC4AD259A4294778b12fd3F7bC911DD4",
    "userId": "929619266"
  }
}