{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365113",
    "entityType": "User",
    "nonce": "0x49f682ede1f3628bfca0c238323bd7b106412aec26599e772676d988ce473dd6",
    "signature": "0x2a777c5f76b0dda8ad45c23d0c66f15b24916397d4dbf99b5785eef1293c4f23292973d869ef6b2fa16b85a77efcf4e26a63434fffed6fc2aee60997847f47f41b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}