{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "820486414",
    "entityType": "User",
    "nonce": "0x95f5745439b5237312abae346120d10253d3aea491eef972f162f9b649132478",
    "signature": "0xc1a57b14fb92d985753f429412876ba28f78fa4406f2a97dbcd7f5f4c7a0a86249256acd0ec7100823584ce81282b430834b8586afe273d1783c4142dd8bf75a1c",
    "signer": "0xA61Ec758eD62E71769712843066E0D2AF592b23d",
    "userId": "556255982"
  }
}