{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "385467596",
    "entityType": "User",
    "nonce": "0xbdee8b878c39e9e72153ba4d388fca0756bd822d16fb63a04384148807976f0b",
    "signature": "0xff897ab53fcc038b27d3471f82137e97b195433f271b25a47b1b1595b5a080e830bebec22b3b40c3d3af472111e8f75ec7237339b22c6a826627777fa2a61ea41c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}