{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0xf834544d1907820efa46be5f95c3685d17db7d616bebe033a23610cfcb2f7786",
    "signature": "0x5658b1eba7bf13ad7f6b30543d4fb71d3952ac5fd78142af579492e18d7699e410b0cc9e9c47326d082c05e70071666bb64fa027288c70897146ecfb743b63381c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}