{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x570454aa96c225d1b737b0b4964fdf0f471407c4f01220562f21021c144142cb",
    "signature": "0xa8cbc72abff9386674020beaeedac979e1caaa88d98c32cb3ce9eb64a6b2ab0c4e9589cf4d0c42214abf44e4612433f0d0e823baf3dbaaff7eb00b673903a1491c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}