{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x5c9b5992e7675138cb1e590a15e0eed31064a86911eda8887f9409ba288322a5",
    "signature": "0x79fe3e74edf1750c7d714aa0040b7f1ab71e55b4a664cfb5398b1371d33c3533282a170aab7aefacf06258bdc22f5f65d4bb7be332447710a11b195a524d83ce1b",
    "signer": "0x195d9eE11400245E841C02c4b4288a90A8195e91",
    "userId": "103785872"
  }
}