{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318437",
    "entityType": "User",
    "nonce": "0xc3df6e838644e4e3451fdb8623fd6dc986612ddbdbcd3b5d983e365269368f36",
    "signature": "0x8f90fcdc8d0e85adc69945228b54b274977089da02f070febff4623925ac114b22999bde66a57c318376643810715a234f15ba86c7fe3ad871d78c0be3c9bfb91b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}