{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184353",
    "entityType": "User",
    "nonce": "0x3e191ea747527c0cbaeb93e8f72e577a61e0ba4f28bf6fbfd144f90f0562e07c",
    "signature": "0x439071936e1da5b3e1b78e893a3959413771ca0262cfbac8ffbba0261ba5ed8c38d567c34f45becbbda4763a541112699cdaadeb1b2080b450e89be9f04832781c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}