{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x80b5425fa8c052ef2fbfc208f66c1c80c3ff86ac680d871f10fe8ae009f64e7f",
    "signature": "0xfba324f7cb9661579ea367d5e0fb42471c99d4053eaaac81e130e978626c95156fd6296e8c5be6134ac080141597ed2b54bbe22f2f8beadc41887ad6eee138ba1c",
    "signer": "0x7D52c9cb1e380e9A23BCd97453d911D88cECC420",
    "userId": "482773355"
  }
}