{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208486764",
    "entityType": "User",
    "nonce": "0x7619f58ced65f115c81816f7e3f670ba58422a4834fa7f64b753109b7cdfd444",
    "signature": "0xca5add8acedc5e5d09e473d2ff44297b77b36e97bdd276b80f518e32313736a815a3c66f0f6f0e76c24eddeadd648acaba65cc6728455b87bc528d3620fb71ec1c",
    "signer": "0xE69EE1e71C27cDfa05141f1DCE82bF0231AD05f1",
    "userId": "933842159"
  }
}