{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580576096",
    "entityType": "User",
    "nonce": "0x6ccbd1970d27e8e9adcd95f989a1e83618cf504733178c414bb1e4bf8d83356d",
    "signature": "0xceae610f84bbcd4a95e47e3414f83dd16c01ba4098ca1531b586eb4361f662eb5c04a2f735b0e33414a3d420b4c61c805c0fc560edfafa7c803ac7314ddb870f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}