{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281259",
    "entityType": "User",
    "nonce": "0x5ad18af0e6b7cea90b068b3f7b10964e793d0aafc22cd71d3e9156668ec84f7a",
    "signature": "0xdecec3854592fd43c877a6c48669c2bc4d3c29a5c4ddedccbf72ce470714eba127c8fd4a0fb94cc402919ad1737c2580a9423710dec27241a56c8b1eecf615d41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}