{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "983929139",
    "entityType": "User",
    "nonce": "0xc02db5d5963d96aa05b5af4b5015d29619755d912298242df01471c9bae50ce9",
    "signature": "0x45e111312ce064b04fb9682f95991b57f7b5907feca3947bdfe63252790df33b596766924c77df271455b36f9d4145bdc84916e74a341f0d7caeab74225b31c51c",
    "signer": "0x48997477d821e30d3Fa835d1Ee7809B3253Cb100",
    "userId": "75085"
  }
}