{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x70d69ca6fc1d58e555e2e1441497470df2d0e66f78c8fba9d93b35020f182f33",
    "signature": "0x76a43b209229f659f30dff2c1a2fafc4787e91a951884e2ddb0b7ed7eeeae77f3e60c0310e7a79f73c893eb8a91a759eb16619df8332939092dbebb52411e6261c",
    "signer": "0x7a78569646ADa00a4d555F20fA48e9cDb9ef14F5",
    "userId": "333304008"
  }
}