{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83701",
    "entityType": "User",
    "nonce": "0x14683e382cbca5d0d297f5ee0170e149dab3b7c9205db77988a39573e0c48331",
    "signature": "0xa76dc97bc8341fcffacf37af0a62bef61ca5b3c17a107a8bbe90adca982e4b4563f23212c4d4d0fbe27f1acac2f797c21e9c43e87e082a6fb7b12c076585b8d81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}