{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936793193",
    "entityType": "User",
    "nonce": "0x49bf0e3a83d19216181cd8c748af66fcc651f1da4a3aa13242c1dec2ba255cda",
    "signature": "0x8e8728a31f3806742e7b006942be15f656f2afc387e6171ee5359b5919399b626be8bc4da687a1c6d410b6bf77072a86f52d41fc990147499a196632f1452f751b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}