{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59175",
    "entityType": "User",
    "nonce": "0x555f9584bb573face428f8349f2cbe781d983302c6e07a9e929fe13c9aa5009a",
    "signature": "0xd3a4987e6d7450a4c1b0db3e8bc32c65c8b2cb12c2e305b06db91f3d7a5d87cd3789aa2104476293702dd557a1db57812d8c4a4fb0b9b1b6f4c943d5137712b91c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}