{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38769",
    "entityType": "User",
    "nonce": "0xeb9adc3cfc874d133de9ec8078c05a9040a4d9cef57d42a576de9aecf3d0df62",
    "signature": "0xb060555b5aaef5815ad14175a5949b387cc8d206a8f4d7a994da2f4bf74e8b1e4ec7dac53521f5fcbaf76bdbc22e401bfa4425882f60d0fb557048f91b0e48841c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}