{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x081b82c5ef33b5e1d55de3c5b041ed23ac8f62448e24d28730b20b3add1f7ca6",
    "signature": "0xbd680078306a75738dfe5b855e44839051adef33996e7920cbabaf19b8f22d683527db573782aa9a80c566f9cf8da8eda91debb447c2e353d9701fb8df3939831c",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}