{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234558",
    "entityType": "User",
    "nonce": "0xd8270ab015680bc14a74d02977e03afa13e7ecdc1357701eda77c0f6ca8be00f",
    "signature": "0xd41a7d86f20e55f0cc83fe2bc7208718f096ca5706818f337913c613c524de0759bab0f587e31c298731cb6831232d9e0f86febc08b13a7318b7a89356996bd51c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}