{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x692a2fd2ad4fc5bbdc9e09c98f431d59d8242c31bc10de742f90e54b4a7c0b44",
    "signature": "0xdf8d4e3fe4af6ff1dbf33adc2b29b26311be98e8ec8539f3b3e4ae704ea451f609814dd8c5b1255be38375d91749444b5a70f595e313918444584edd1ed6d5491b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}