{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "990579",
    "entityType": "User",
    "nonce": "0x0224795ba045798af138132e9b480dd7b72ce2beb2d09c9d21c0351e19c0f591",
    "signature": "0x70154df26742b56e44a5c0b12cb646eb745758d377667a3710aed703924ee70026fb20b724656bfcd67906ebb1978bc6d967d047100ee66a1317394bd8da55401c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}