{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xe62ad3d51d4bd96e8327ed814132b0ab3a92747c233449c7802ef314cb1491b0",
    "signature": "0x5fcf4b89518645f383d7de3461bc0e93db290607e9bc8b1a2a5b6039f0294f692a6d210decd471511bbf50adf5c21d6c330902900ca85496f67bbc396cbdb7d71c",
    "signer": "0xFacA45731f376Ad08B3020679B8e608Cb8731E3C",
    "userId": "234994159"
  }
}