{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x145e737326d55765303bef96c72ad08a45ebf4d94edeacb547c509655ca7f4cd",
    "signature": "0xd6ac7d70dda3ce0804f8905d002907f0a96238431de53a07f989a6be09a2e9503d847437e7391b70e0797e5b8224c07376b1ce8acff51e100d4034da6fb90de51b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}