{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "702391481",
    "entityType": "User",
    "nonce": "0x611123f930b3f79a992fb159d9259225bfad9b422921ffef278b972b7942696e",
    "signature": "0x3d4b66c0f5b6c930733580bb6acf95a13c8cd5e892cbd7f368ef17192ac17eff240556ee100154881750743cbd34c9532c832297b180f0a455d1c6d745f7f2091b",
    "signer": "0x9993DdB472E1164f72C569FCE00077bD2C40e354",
    "userId": "36450985"
  }
}