{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1693363",
    "entityType": "User",
    "nonce": "0xa567a816abad8eb3b1b8dfdc4bba6e9ca5bdfdbe938387194e2ddd084b3ff146",
    "signature": "0xaa17f74eeb3793366412c50ed6a0b9036f5697a62e77d4d830f1da4c85ad686e2444c18741d7f8571a0e8a6bac139f1e39e1a03051dc1137c527d5ec476e42e71c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}