{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353241",
    "entityType": "User",
    "nonce": "0xc53f37f4a36155a128619bfd0c523220c5a5e58bde570e8dfd9f77822b993f1b",
    "signature": "0x055a042e14acfa614421da10688521ba333916a4acd38b229faea941b5e6fd9807c3054c7a0e8ad8c81194677461d46c72876babc693c78c2248abe5a74ab9e71b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}