{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148332",
    "entityType": "User",
    "nonce": "0xb6985a038d4fc42f5306368575babf7a8458c5abdbfac524b2d0c3b494e48058",
    "signature": "0x765c540b49f21e62d628a903b630a1597a7899858f36be1f507ddfd10eb910e41975d850aaceb2c330491f187983d613ac6e4a306b279e0921b0e79170141f7d1b",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}