{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111728084",
    "entityType": "User",
    "nonce": "0x542e33e1287c22279893c7bf5ee3ff76d3d2e207f61ebd1cf6cbe61af24ae51b",
    "signature": "0x5eb18e6eabc32aaf7357e581d8d47539d8ca0ee9baa0c90aff28336fbaf5b3906f516609bd99ddc3c2cf3f0605cfe82c9f51139a2b0e35fc1895e93c8a6e51451b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}