{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140164",
    "entityType": "User",
    "nonce": "0x81e3e0d5bda14b599fcfce2f0ac13b185370bd03a28a9f29fdd6254769c2e028",
    "signature": "0xed86105b5ce54407a77364600c0053ef5995162f123330f939440017b8ce004260d4e5899101d6177ce836941d061c78bcc611e31b8f3868c12ded524278067a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}