{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134302",
    "entityType": "User",
    "nonce": "0x1a1cccd49c90c5094c824e466cc50a5490011ac0cb6c63bf61274d91656ac3a5",
    "signature": "0xd8556ab6b69440b2f5e39d25968d52845e3a75faf3f29cb6032bd05a30c3f6f42bee3cf1cc4f78fd669b93c08c8f27ecddeccd258278806b44f73fc414b5038e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}