{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0x22eeedf700f400c8f3d2ca183c229c9877a6c02cfd2e1fad757cf7ac50b0bfc1",
    "signature": "0xaf652c6faa1947d2069913c5b2b4bec8aa7030dd66bfc0138b82ab245938a04a79955fa583c5db17b3ae7af6b576443618cc6c8a382a28c8f7c53c056fb66b731c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}