{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5348",
    "entityType": "User",
    "nonce": "0x8dd5e433740f3ad0a967a36462eadd18c75845cdf687b28d608ae1370a76ec73",
    "signature": "0x3dd822f10bcf99b4cc5a4cd350ab657628f799a6c90a7b91dfa3fbabb5294c1d531ba74445b672c8697201a438d99affdec32d38b1a9265e37cd28a092369f801b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}