{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58531",
    "entityType": "User",
    "nonce": "0x99787513bf002ad8ac62e4baed4d29638be5394dca19cd9cc2f13a6a7e34a115",
    "signature": "0xf26c291274d801c17d7ef220a81b396e9226d24cfa4e22f5d915dfc7e1cfeb7e7c484909c0a491cc3e573a4d65fa637bc030e8af99e5ef6de41ad47b04d456401c",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}