{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "505572751",
    "entityType": "User",
    "nonce": "0x9d0d87dc602f95ff387b7670c0a1f0a6026eefa231a7bc9afafe37c87d83bca4",
    "signature": "0x01ace06c9c3d6cf4c922bcce166c0aadbfd30267d8634a0dcb8aed2cdb928f720d78574826fee4712bdb461d0ab710b3b9eabf7bea759465b76c37ee64a2a8b41c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}