{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11875",
    "entityType": "User",
    "nonce": "0xf01688866773c9765975a2cced556eccbef7bb2899826d9dfe93fad61130181e",
    "signature": "0x9c620994856cb5558879b794669a24cbbf0eec1c46e8c88c5707ee2e9b681f713576575194b667462934fccb6d7dde9c77579e300504083ddd84ab662567bf811c",
    "signer": "0xCC83072AC42B76E21F4a45F8C4a08B4063cc7DF6",
    "userId": "510191947"
  }
}