{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xdd53f5f19ef99fa150c2e9c817552a31e00b4943f68f8c2b576619296f79fd21",
    "signature": "0x60a93026df7c47790461dc81bdc572baffcc83064b2a9475228f4530baff5dec37579780cf4d31f50fd96e0fe10bf50391a222b0a965033704e428f796eaaa6e1c",
    "signer": "0xc6BdD536e3FE1222591b7bC56F3Df6d6a8b74Baa",
    "userId": "387770103"
  }
}