{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7719d82a295cb84cf46344e2f4f81b4841249c22a06367ef0af3ee84dbc8d5f7",
    "signature": "0x0c56cd8c6e106ab52f42dc29894890d04a904c10e4fd972b9278b483785eeed42fa0254539c01998ee412a82d8c1c6aa84d51df135b631baf18ea75b47159ad31c",
    "signer": "0x825558fbcfFf5d9378146705Ba36E009c9Bb3f24",
    "userId": "794812227"
  }
}