{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "379654",
    "entityType": "User",
    "nonce": "0x31ce541cca27b92aa1019bf99259b756a9a049eebd233173fb1207289bfd5778",
    "signature": "0x95cad96c5074259417b51ae95d52e367474b3d27cac67a653d3bdf0abfe0efd7784faa692abbe4a8cff9606305dd79e971a2cf3565cd19a4fb5224bfc412ee101b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}