{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60104",
    "entityType": "User",
    "nonce": "0xdc87d173aa9a7c2dc9a38b5ca347612a8f5fa77fd9d375047bca4e05a3f04df2",
    "signature": "0x9b871165694a6d87d4fcceec0640d4c0831f9c121bc46b4a35ffef006555935b7ddf94bb88051613712d0807d3fa1a4a97b6bad3df354c90d463e798e19097be1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}