{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0xa244135260f772393e9d2fb23d56c7cf0e95758680f6e0e1c16b2cb0e708a333",
    "signature": "0x936136bc60c4364e001fbbf87ea4deef28966c43e1748ebcec46bd9b88ce796252f0d5bd3b283af67e08f4458cbf0d9f95ff92248e6773a3dda155b087542bd41b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}