{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614144090",
    "entityType": "User",
    "nonce": "0x01badc39811f7be0ce38a918a34bdd32532cb9f7107f85e1eb586c69edd501ac",
    "signature": "0xed6dfb0d547689e3334ad99c4bc55f83e715321a7594ad7dbbf6eae8750874b324d7de0908099c3c898fccbf3e9215e0d4f336b5ca588f48cf46ebed2f70cc111c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}