{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "899022916",
    "entityType": "User",
    "nonce": "0x09a56c1f34df6aea2795967db65292d0ad3890cab4fb8536b1a034710bde21ce",
    "signature": "0xd168a4c979c85bbaa698655cf18063f79d7066a4a4ff02faf022da0c892472c91f5b0ab39c20f4421fcb461475d7f951e29472359a1dedf5630bd8ed652e74b81c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}