{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34346469",
    "entityType": "User",
    "nonce": "0xabfdb061bca430e283771faf18bc5997bb21f86aa98e79e4641cf790103c907e",
    "signature": "0x3b7e90e12858d1c4cc5ee9e861a9774477753806e74a943ec28a288e6522771930321ef4144b2fb1244c6725cd50341132c2e378970e8d30c084a0c9a03fe0b51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}