{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922124759",
    "entityType": "User",
    "nonce": "0x333e063a4c6485c5b679b2139066ab12e7dda44758941d2b5f3bfa73b304782e",
    "signature": "0x31a5967fec021681abeef1e89ec43e4df853ce3f115d3b364a4bed3a5ba3a00842df7ec1f403614dd1bb0e4e3484fb72486b0aa3de43977a81a059833fd4a5841c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}