{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238180",
    "entityType": "User",
    "nonce": "0x343503728360deadf74de2c19cfad94f2153cdf6053c72454a151630aa2109dc",
    "signature": "0xc9b3df0270130dfe1ea9a42eb67e771ba21c5901f4d4c4d141494eec3ff7ce7743f44772524045c3834b2d50f23970936ef6fb73e2d1f10cf73ecc645ce9132a1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}