{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1419260",
    "entityType": "User",
    "nonce": "0xde9e06f8d0e8ab6f7ee226231e8c2c0caa9c92835263acea5386d81ea6188496",
    "signature": "0x7799188f8d199a009fc4d13f2fb0816414a356d7e562fb373c71c2d55c5dd5c9031b12a04e5de3750820251698a3fa7c39c8eebd07d1805281f62e08ddc55d201c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}