{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xb8340b2375405ef18e35bd44f605d853b3d9dbef710e200bbdd8a683a16bdf7a",
    "signature": "0x283c4622442563581e84a490fb544959bc9290e5af93ad57f990bbaad9b01dd279fd171f00457dbdc995f5070681d1f1f06fb6d7ae3b4a93624888f7d362be551c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}