{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1481576",
    "entityType": "User",
    "nonce": "0x03ed92e077bab29dabf487af0cee32ba17f505916fe5f29115ef9b3d1155341d",
    "signature": "0xe971ae96861a1d53331fe29496b5d3cc469b601c0bc80ddd75ff47a7d754b850796e144e095957e2c6ecfad381c9404f18be29d78232e054e2c99763f935a05a1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}