{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "833590211",
    "entityType": "User",
    "nonce": "0x2845130392802a3a1fa51ede4fe9006ed7cca123f203b6300864bfc3a6391b3f",
    "signature": "0x4891a71e6505bcf7101efd9b0a900ec2f7be2f88c70564c2fdcac2feae39fc5d7d17112e3cf9db1596abef92fcb4c27f95f0f2756022c1d991a671aa530d2d361c",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}