{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83237",
    "entityType": "User",
    "nonce": "0x434008885439763fe19c58d568f1a0e20491d12b1ee873e72b91334602d572ed",
    "signature": "0x93fd1afd6a980a63b3606bb757341fcf6212e836ec6c3d2b9f552021cd6c7f3a32243aa5de70b92dc5a1428eb35d52f72b3d44af94130f3352ceb60e2580b0571c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}