{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339826419",
    "entityType": "User",
    "nonce": "0x69b85f7d75d3140dc6819293f65ffbbd11fea8e58c2acbfe4a49f513587f564f",
    "signature": "0xfe0657efacddc59f1a42dc4a77a6526a2a8a431975f079371119dfca3c17adbf0220ab8c3d7cf228a417d33c9975fef511d567dfc7e0893aafd8966446b9840a1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}