{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "691866913",
    "entityType": "User",
    "nonce": "0x35caab82b42d32ed7c191bd57658580316561ff227b41c0baa3d34d3fa613fb2",
    "signature": "0x952711b085480ac5270c4ce1d491088470f295b32fae858dd332eeb89f2b0bb823d1943c55a867134cfe2101f81ba4aba378ef8b495680ed967063b2047080bf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}