{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54795",
    "entityType": "User",
    "nonce": "0xf7395bfb8a7fce3ab1656b3e8432e96b513c03752ce394cca751b87ffd3bd49b",
    "signature": "0x5fd56d9e6ab6d8f7175d424b7406fb0489b95da48ed53fb7201a47161cc8e6fa34763abae5b368943b2e1c8245d20e8dfbcbcdccf4c83a47536eff3a1ad27f4a1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}