{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0xa35185eebb1d4829bdbdcc175adfb84fae892f63d000a1d087a30f4ef78cf55e",
    "signature": "0x1e031ea0543edef615460b00a9de8b0e885a2a205352ea34b960e0c8bb4a93b86d8ebb27ddb31a69209f343ea57a8b9a06a24b94742f0563b6bfa2bc5b6afed61b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}