{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55234",
    "entityType": "User",
    "nonce": "0xed4d5b54961b7b7872814d84cb724aaf2907f86c215382b3d19f1272f40c402d",
    "signature": "0x07819e0a43301b30a16490983571be365755f01e3d40ba8c62793bef320d41a30d654181e65140ebe4cf4982dc87174769aafe8e801246184b6c3471909b45fe1c",
    "signer": "0x34F50BD1d16FaA0390f6037c86b7D52Ff6629a25",
    "userId": "739630124"
  }
}