{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35631",
    "entityType": "User",
    "nonce": "0x686f22f935e49fd73ca2c5736715ac58a0591eb7bbe80332738042b11bdae59a",
    "signature": "0xa8e6b83310c1c1c5b4b3bb9aad8a4da76f1ac0cff051a54bf0a4a33512ffa644354e2ea43390795f7b47f497de2eecb76480c092624a9abb8ab62ece642746ef1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}