{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x422641c75a932d5a2c5d5456f412961818811255476c494e4d473e6d80a20b9b",
    "signature": "0x46d65f0fc15ced3ad653ada27e3fa6446311cf02886295ec4d7418ef04ef6ba00924a1788437ae2d0790189f38ea2e20a76479aac7e770e35703f7ef018cd2381c",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}