{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284386003",
    "entityType": "User",
    "nonce": "0xa06971fde118b4540a667bae94fa7e2af6d66f1ab16d3cf996487df65e9009a3",
    "signature": "0x70ed288e94af104a2c6269dcb48f3fe5437f02e40d94325e765ff9749f349ef15ad0d85b8e11319dedb31117242c24ea3f8af87adeec16c027d63e5f9bb0007a1c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}