{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "311829956",
    "entityType": "User",
    "nonce": "0x671d05c399b0efc013447bbe4141436fbf50a157ce179761d3e31ad03c63a1b0",
    "signature": "0xc854c8334fd9bc2c5172ba35514cc7d482e7d67ee22d8371efd87432fb0e9dd25f4f5513a37837ab6e0d493c203fc9d7388576e8c95c363eb2252ccbcc8d5bd01c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}