{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308051446",
    "entityType": "User",
    "nonce": "0x530111d27312181bf44b57598f03a2dca337619e07847e4aa26f4b46f86c7b52",
    "signature": "0x00fb79a27328f4f8fd19febee55ca76ce9eddf4dd5b709a7e1e0e0ddf813501314a01abbe704b51387f28b2a10af0a361437288942beb0a69a4431690894cde31c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}