{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1461629",
    "entityType": "User",
    "nonce": "0x4a652f2ed5a40383a23d30fbfa84f6520bc68d22a2b63079e9a77be95a059564",
    "signature": "0x1d3c3a92bf44e7e0f71a019800dea398c10a117d0993bb5a7e7bee8945cd10a042a647723a1a49e1b5e9be80927f42d61a80c51b97521c223f853f8727ea18381c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}