{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0xfd70706b3f1cdb1c06ca6ca01b888ddde7da6e4beae043cd08ae113fe4e129ca",
    "signature": "0xa36d134787e7b950b34b76872c579ca1f733779c78aed42a0fc3a83662a4659a7921be3deb39b544ace3f3ddff69b6fd19b25288840ac841c7de4437d10fa2f71b",
    "signer": "0xc5feD1872BC05Ec03aF299E6A4B8B81D9d531925",
    "userId": "599834673"
  }
}