{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372168",
    "entityType": "User",
    "nonce": "0xfbe39668bc154b92e59721e13941c2d3cfae432bc109a82bc072b8ca451eab60",
    "signature": "0xaee5c4a957c4ab99b0ec6e9b67064347971b1f9935ac01cca644be980704ed2c47eb2d3cda1522491ec54543f4156eb29cd6dcc6fee743f0d7bc659542b6ccf51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}