{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x8e387cfdd057297025a276299d0e3969110b04fcf4b016a7ac71effee3943586",
    "signature": "0x44b57a0f1bdbbfd07ce37340bf93a71327acef2a226758f01b26bc01a18bde3d1e03596503e8e998d32a1d747799f1d827bf9c6f849206c85f6188f9b7a173981c",
    "signer": "0xdD03ED106abBEF4982159500e32B8602B985a69B",
    "userId": "444965341"
  }
}