{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0x36d5ccaed970e28e26c8feb304b1d10fb652cdd97421e34c166b475bc0b5f5a4",
    "signature": "0xe0c05297ebde6fab93d89afef5a2210eaf649748737c45b6b7a595d4e7537c5c5e2adc6c9678d1900fdf8dd278018a08f561e73b51878aa7afd179316e9c86631c",
    "signer": "0xC0eEcD5Ab99B0f0BCcD79Cf620CA23C758E8a338",
    "userId": "136979704"
  }
}