{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152450",
    "entityType": "User",
    "nonce": "0xd67c4e0e27a84e955cd5556bd931e8ecc91528d8eca5dec3cbd65d9b684da2a7",
    "signature": "0x3ae4c4f66dce649b89f67661de2385201808ad5a777ee0e3aa0bebc3ddf129614e4dd3b52c07b40d5cebf6030deb38d9c72447e5d3f1e4973529cef7281e52021b",
    "signer": "0x2205833bD910998b6F99FDbd53F5FBd387134b96",
    "userId": "424142613"
  }
}