{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x7c306f487881e832a8cb7f200213d739feb33299b360e505662757a2a47bb319",
    "signature": "0xcf2bc4a711ffb8953ae274669382227185c46db991c118298068e0c164f9392b24bdda370e6eefd451c962a7ce3ed1e5d26957344a9e1c394910fb5c1e1498151b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}