{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xa530e0d21117aeb8b6122ef91af7c6b4327d56cd1ea3a512cbf98c08f478b04f",
    "signature": "0x4b0ea7231b972ac5e142aa422e22ff68a562ff653177ff5f61c91f404773d25d5d5df18f1a03af951525c611a33ef9d2575249e4f83c8ddcae4f733eec9a350f1c",
    "signer": "0xc1F82405E2FC55De9e9c8AE1d53d3070086243E6",
    "userId": "221018654"
  }
}