{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x1e7029d89bd654e67cd96573184a3d4bf461299bec46eec6d4fdec3b806f42e8",
    "signature": "0x747a2f8b7776088876202dfb0374f3249f1c56e8252da9d626d23085c31686e46dab81dfb3b7138767db67df4a6bc1b7376144199ac3f5671850a9fd9e222e0d1b",
    "signer": "0xbA0670F2A7BC5E84671A430fF33D0241c3ee5664",
    "userId": "726485687"
  }
}