{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "233033",
    "entityType": "User",
    "nonce": "0x8796be552d6ea18949f58ca857e6d3a7f5604de84ee2fed34fcdf45f2e74cf6a",
    "signature": "0x35a360dd7b187ef27048e47c1ba84752c3d53ec913e76568707c62d848101b281ed222d52b975573bd7fee71d9a5ac84c61e65d5befc4bcf4d9c328595900baa1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}