{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76356",
    "entityType": "User",
    "nonce": "0x37a1652688ee5b4e7d7c8981386022bd08290ac5251725cc7cbb0b68a732c9b8",
    "signature": "0x1a33cb30dbd42d5f3b4ca4a5da9df7a314254fbed1af629e3d92b689b558a40c59c220628798a87edd1858069cc77e58a97e37171c8ec9cf0331a62e0dbc72781c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}