{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186452",
    "entityType": "User",
    "nonce": "0x329055532e82dfbcdbca08f2b3ab58d33ac32fcd159ea6991ba953c661241850",
    "signature": "0xd8ea40b6897e754b90657a6ec09713cfcd69b5da3a0cc005fb082adc7bb65c283d226f090ab9a6801bf4e5db031125f1f47845018575e55671af5817d422773b1b",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}