{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf2d2d1304d26c1d900118288e0e1705d268b40da5aac7a0c65f6fc302be85727",
    "signature": "0x7c7846cb2d3132165e750593ff6b1dd53b5bdef7167d467caa81111f18b1f29926ea3aaed522fd6d492112dd4c7239e9d2e2d9f92f8f235d3b7060062ea77db71c",
    "signer": "0xaEd445a590216C3a7Bb7ea53fC73212D920584b3",
    "userId": "822919199"
  }
}