{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132289",
    "entityType": "User",
    "nonce": "0xff1f97bb6071e3f23d1b1da610b7ebbe6dfdb1618a4cc8b2cb9049877af9210f",
    "signature": "0xa54e7523957c4478cd8b0a5467865effb0547b478cff7b86e73dcb764e2aab2748a25507051cd04cc7e1b6071758f0e03a3e046c4752227df396c5d41c4edff51c",
    "signer": "0x5d38Cb184274A585dC79f62FC669Eca2c573005D",
    "userId": "867710486"
  }
}