{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936614",
    "entityType": "User",
    "nonce": "0xcf972bb0b6742296e0e3505571418a6ab2548d56bb0867d4f64f583ed59abfba",
    "signature": "0x7a2c8c041ed05291e4939d7cf3a06652f6b5c08d14551702df80b466499b5bde6462cf6b97de4d9ab056e18a0b159aed1354a89ac0b6f01f4b25b36c61197d491c",
    "signer": "0xf9Bf82B2ecB609ee37250F00C0835d529331385D",
    "userId": "654530894"
  }
}