{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1705397",
    "entityType": "User",
    "nonce": "0x6e1d87873a1781a26fb1d660d3b0073bcdbdd3809e580b3ed0de3d9ce129ca72",
    "signature": "0xc5aa483a485e3cdb2e70b7171a0ca41bd07622d360c1559af1e3851232236ea64f4cf8a3af02b31183630c606b2159605be1fab91e41794f0c024c4ce92cec491b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}