{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18470",
    "entityType": "User",
    "nonce": "0xc693522e56780c058e6d45573e2185a8e99e0feda196db6f8ede420da9447ffb",
    "signature": "0x128dd332e2b536aa728203ea27ded7ed58d96d71f765fb53a5859d04cacb415541dd1064583843241d1db214c8f99e879772954e14518b26cb1d402a11edd9ea1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}