{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "375069",
    "entityType": "User",
    "nonce": "0x1e4ff251903125a8208d0ca41ce7248eecb42b268c211bc0f2d73cd564d8c843",
    "signature": "0xf7b1ea5412ddeafc34a63dd57a8d427ec4bbf900bcd878e9255ce60294ce99ab2e08b26602e2c22c5cecc32edf3b8f04b66cf34dd5829d8a156c9090a7cf4ebd1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}