{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x1b4a06626db18701b72a4cd7aeb196af03a139e9706100cfde58dbbcab2a2df2",
    "signature": "0x6c364740c3a315521cbbcf9f5ac23985ea247a7db3b9f4ea2f2f190d3a12e26f3a9d439097ed71c07a879485db513926687fea0f092d9dc747687a7c485dd48a1c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}