{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363804",
    "entityType": "User",
    "nonce": "0xe5cdb15771844327647e41b5bd944fe3c32f8e0f919621d0550d331dc18e2a2b",
    "signature": "0x85ea2fbcd0156ac9f8529ff821a739cbfe75afbb1db903d14c12317d32c952160986138a251021ac324847bac97901c8a38079acb6df83e831f9aab2a93041411b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}