{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4a0d36a87a5ef8c124fc3d0c181493c3ad22512d9c171ab54600a43e1984231a",
    "signature": "0xf37220985fcc7f38e756171297a2d5a011b9858d134f4d911a3a613cfa30e3a7734515a228bdeb6891304858126055916c6d3fa60002b0fc3912eaaf8ecaac081c",
    "signer": "0x93ea27DfebBAd2b9573740Ccb13162c0f7ebd6F2",
    "userId": "869625292"
  }
}