{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240433",
    "entityType": "User",
    "nonce": "0xdac0362d9fb61036f5d020820e22855e46694d0e9fc33db6eec882a7d8ea92e5",
    "signature": "0xdef1726f76b97f8d0c73b76e72efa2cbd1be49517a7a05c1be7dc3a9e7a18e6e01ebab540f7fdf83cf51533a64b8824f54d8f5b5c8217cbdbac3ae53f6e655c11b",
    "signer": "0xf03E2eb658f4057Ea4255CF34BcE6009938B86f6",
    "userId": "904522318"
  }
}