{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0xd8c3ac16a36f782584398a00ea79cf4cdc11b3d7be8d4f1b39bfb63530e7bbba",
    "signature": "0x0091fe208f9d9d99f0c2275790fd5f0b85294d3337bb6413d6b68b93ce7fd7721bbb54bf1855c0cd0a51d7c48cf26d3968df7a68da2b0acee0d584af19e1d9cf1c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}