{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6239",
    "entityType": "User",
    "nonce": "0xc963191573888a29198e18a75ac7aef2fc74c2fa22dc3722ba7bbadab0e51822",
    "signature": "0x267787338b5f2ea3b0d7debd88666bef22fc66a97f795ffba4a31d6ad9e724952b5dad2d53d4f2aefe6916c19bb9fd3d95bcaad692cd871f0457aaa4902c071d1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}