{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328915105",
    "entityType": "User",
    "nonce": "0xc23270796c9e7d0bf410bec2c1c442a43de688971d1d5ebee5646c7815e80b2b",
    "signature": "0x1fb886df16b08ac3371c1afd732a60f104b4ad3ea110c73ee812c99c738d23d57da294d2666f72e97d967c88458b278db6bdc9f4418778a53e77c4d627c2a5701b",
    "signer": "0xa7b95AB43281D33147C8dA023e6BC205D41d821b",
    "userId": "506460249"
  }
}