{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159725",
    "entityType": "User",
    "nonce": "0x8abbfde0888555068f34224f064ad02c42c6c1838d73bca62dd97d4095f7ad25",
    "signature": "0xc5308f784e79388679d491b8ca23e3d13fcb0f66b5ce1e92cc91132ce1d400c4615bb30008e1d311a1f0d6c0c28ecaa0ff4d4db97b8c42b0b704f3397f54fe711c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}