{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x0142e70034e5b3e66bfbcb03ccf20806bbd65b5984fba9e90d2bc7a891db8019",
    "signature": "0x824c2c97f38f8e9a2254b1aed06fa94b336e286e0f8808f4a344547d2236d9ca7daa7cf56540e127efa6c327ec7133eb7a133084609084846e7b589ef4b2fc6d1b",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}