{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "676581",
    "entityType": "User",
    "nonce": "0xbd295b065f9bbc4b27dbc77cf1b161f240305b5587dd9a10b2cdf0fe0a27ca52",
    "signature": "0x92a9ce824c87029d6f13efa10e5eb867514944eb6ff83fc4b40a35083ac327e57ad122173ad2479613c3f10403b8c610efedfc3efaefa809e8c5cb6476e7784f1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}