{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x1db89ffb78c1145bc2f2fc48dbb4c32c13f9189cd4b0349bc3095d0b03616616",
    "signature": "0xc1da5fed368f4e069c6b2e71fa544d3242bba0a4b24e368a965db6b3bf69a6f259231e593504c895a78d1fff44977751f68c27fa2f5571b08acf8f9b12fd7d0b1c",
    "signer": "0xf1b266FaB316100908263c082e562a5B847A0384",
    "userId": "575269234"
  }
}