{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x4bcc34ded52ac4ecdbaa94c49779e991b1b3c807a11187f2214fd8b14f844e5d",
    "signature": "0xac5b59d40594b7bfc58fb056093c6222618b402e323384ea8e496d34b897062374fbdf57c0424cc80429411fbf7b8c4b0a31d7623174c46d06b908e0dc6d430f1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}