{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "620307004",
    "entityType": "User",
    "nonce": "0xc741bf7e70158bb0796337ac56a540c9c08f316aeebee2ef99f6c01c01d27b1a",
    "signature": "0xc0944d3c8a2e01e368d6d6926b92575f3dc7585278cfd2f3d97f55298a2e4db47b4cd23322c16e4667548d48891c30fb89801464d7cbfd11d7bb9dfa37eda1b81c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}