{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12646",
    "entityType": "User",
    "nonce": "0x6b3ce3b99c029a13e38ca11e68c60f1870c7ee0f7acaf18b7e99adaa4ac812ea",
    "signature": "0x249b736ae40072d1f167d470bfaadbf3954e20cb3f1a4030f0d8ddbff9b074af54179d1bb28ff23767d1ece6f3300caa0e6db1c5e7c0736be25cbebda106bf8a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}