{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464332",
    "entityType": "User",
    "nonce": "0x8f80d22724a966575397cad2232825aff00872826414b7c2079cf0dba7e0d698",
    "signature": "0x5b0d016399dfa981ff1895f910830285b920184a708fbd4ce58bb038004cd17a41735a0bd395517ecc1b9cbd7740349406bd3be4dd0e37e4af4032218ffe210a1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}