{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13671",
    "entityType": "User",
    "nonce": "0xd6c52a31c187fb16deeebb17b35bc237c18f47f2f1dadd2aa684a8301b23ad11",
    "signature": "0x8de87b69b51d341893c8aa863bf619dc79176cc1bb66531a0497535e993a0bff75bc4e8750fd2d04c2ee8832a51ea4dff09065ae24a374810737e20e4937474c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}