{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6265",
    "entityType": "User",
    "nonce": "0xa106a47daf2f9564ff1cc29b395b92a16bf01079fdb27858fdbaadd995beacb5",
    "signature": "0xe64e4acab818fdce2df6eda90079ee98d753479c82aa6dc26e7a319009379dbc10e63082953169e340cb1372a5d21052e5fd72735d49c75ca2142aa20b994c381c",
    "signer": "0x4C0e8973cC8C5BB66d6627C8D489e336f0825A94",
    "userId": "939865626"
  }
}