{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175319",
    "entityType": "User",
    "nonce": "0xaf1d828b9c51d766724efadd12e3c87c3e8bf6d8522d0a7303c7935535cb4cc7",
    "signature": "0x04513c567b1784535a37cf3ed984a3b60389ff526eb83f105e7e742a9980f7e95aefbb65e4c917bd3c752f8733a1424290e1bbbdf8461ccbde5ddca3eab00fc11b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}