{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0x060cfbc140ca5a993cdb9f59e6369709a5782188719098abf7ef022121ff6ea7",
    "signature": "0xf2f612d35434506003e7ebcf51a527fff2e61c0dc7c66a9b122ef17856a660a72bb856de9be286d4a1a87d134a9f07fe3ace98715467ca52fe19a3ad7941578e1b",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}