{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xa464a11047ad8e4ddc00c8f15653e050758b61700a6eef95dbe44d502cc3485b",
    "signature": "0xab39b74cfd16adebc04998764778d2c91398af11ec4e7d9f10288656a612c08e43450939782a7c25d84257c009668a330d62b89a677b06d554c9a1cbc2490d201c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}