{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x4e0ed045982661f471c9e0923685bbc1f9523e306faa02a8829be948a4d56262",
    "signature": "0x316207ee0ceeccc2f7cc2ff57d53db5bcfe1afc812bcebe14f45fab9f67ac56e375e22939062a44786c2e04bc7e61ded5c432eb7262639be0bce510dbb8e35641c",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}