{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48239",
    "entityType": "User",
    "nonce": "0xa74d002ddb443b4ab1da00fedd6f83fc3f3c30411013b3540afbd07b67d9c842",
    "signature": "0x32f5e8446f14b5567bcd3ad93f53bfbf585c0c34b2453528e5fbf00edd8b88ba2c3ab0404f735e9ae79f8367ee59b1a13070040e5bc1160c541a571d9cb4fdfd1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}