{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995816736",
    "entityType": "User",
    "nonce": "0x6e94d0f7102a5e27e430cbaf5434eb6402bbee658b710e4f0102e255f057a22d",
    "signature": "0x312f05c8307dee9c58a89b028cc2de64a4fcb30f5881d0dffdf14a2c6eee4bf845bd27613db15ba289bb5debe018e86114a2a0e267c74186c7e0d8c0868891a81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}