{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xc4a4937c8808ddebb7221977959db789261d7b13cff3ba1a9968c91ec945c989",
    "signature": "0x39df65e37273c91b7f8c26934a9d2d90ceb9a0634d28e12c3c82abf048d30ef9638844e3b814f564ba6692aaf410c05648eb9f8c3261a1248b9c7fbfc037f5201c",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}