{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170765",
    "entityType": "User",
    "nonce": "0x994e5598116e549a7a66e5abcb133102066c66f1648b2d73930caed5fefadde1",
    "signature": "0x564688a87b9f70054a870f90189f7151a4c113acf0d94077ec95ad5549a98ade03cc1d6a7c6183c0d5bd3363bea3b686827c742195195577a94f0b4b507f24a31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}