{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "202412455",
    "entityType": "User",
    "nonce": "0x606524b6fbd8dee38aa577bb1254ef72fcd0e145d1cefd5c9d68057824638599",
    "signature": "0xdfffa00885efec97b9f3b011a6d806598209c12352645d94d57486880c8ea16b71c2eb16f6a1a37e8f4828d4952f353df582670d232ef73cfa925a6885dc426b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}