{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0x641e47e04dcca710c74e284a9c284e723c2092d343728db73b32bc3beda9314e",
    "signature": "0x895c0706a8a022487ec997eaabbe98310116c037fbed1aed1a73f0c730642c2504183de2c68cc39b30416323bc4cffc24a7a9ea51a84de372a3753a72b2ed2201b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}