{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "309080",
    "entityType": "User",
    "nonce": "0x7fd72897886dfdee3b5fed4d3283fd1f14d884b0e2bc5370351cdb00e07053b6",
    "signature": "0x655a228bd448713ea400885ebb2c6828d4c41acd02cc9115817843f7ee8d0f674099529d3d12d59ae4c719ad74e23abdbb6e4e95cdcd27bd436066a43558d7ce1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}