{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75469",
    "entityType": "User",
    "nonce": "0x81da0442eac7cd4eeb545ce47ee2f5fb0ad9a3a65d165b25a7da22579fd9f3fb",
    "signature": "0x3cec2fda9f36e742058d97f036eb49a2d50411ae20fcffa6ac3a50bfd5f43a790e1336dfffe5c54abdceb4ee8198313d635d97186b1a8ce762d3b976dea1055b1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}