{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36630",
    "entityType": "User",
    "nonce": "0xcc548a3d454aa6766062c4c0e268f2386a13cb65dfe041dd2ddcdb2d96f63b33",
    "signature": "0xc5ac180cd4ce2deb39efa25622d67d066387d3defaf8fbd1fd5edc0bfe6360fb719dae584b79eb10442415d81c752fe7136e34ebfa3c13253477940566fb38641b",
    "signer": "0x2d4E313C5C5BBeCd31f664627b0a91361e5D04D1",
    "userId": "106406"
  }
}