{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116989471",
    "entityType": "User",
    "nonce": "0x725967fe229dca2f8b6b05d1c9fce77e2e0ce621fd358d894be119ff7b7a76af",
    "signature": "0x4dd12e621a1e00548fb3ab66e922146d231a4860f5dface62a117406600891bf2f5431637d0f67f81f2ba83aa3749b1a2a58b1e89a4ea5045614b405caa6e1051c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}