{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "145894",
    "entityType": "User",
    "nonce": "0xea68c624e6c79dbf37dac1595cf715cfcf4560885b20dc46b0c7ebb092d50cc5",
    "signature": "0x8b23acc334709a1b6041f162f3920a6a688ef5d9661663b0379c0ba5f1c7cdb63a1aea213c0845c27e2876cb915c5988aac73da2cf78ef21e38bed63b2a58c221c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}