{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2015113",
    "entityType": "User",
    "nonce": "0x680ea5867a4331a1b4b2038828d88ae702ea115e4a56c977ac247a6ce5fcf5e4",
    "signature": "0x48973fbaa91bf0ba98e49229f4f96643685abaade21867478fe72b9a36deb2f974d949732e591832542b1f5c84d70c8adfafc32512ed13efef404512b35a3a3a1b",
    "signer": "0x0F02a0d7378bC44c29a7679abAcE4c7425508d4b",
    "userId": "834864839"
  }
}