{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x0126f2831cad009f9f08bd37138e7005662c1a1c242c18935f3fb272a214285c",
    "signature": "0x3c08082d77c8245947e46fdbf578dcfc5706462090c52e76c47ef68ebbc175d05b1a47d20ff71e2e0517535e33931a2d5bc69ec54ba2d5c09779799ee7a47a601b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}