{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0x514f151cb83a8e98191aac8c67da97c74059d393f799c0859ad1a2a6d5929db2",
    "signature": "0xb9968981a61494931f7db06cdc13df5505333d4cb4f6b60fdd0d4b8308e311f213dfd65a6dc65fcbd17a3f84a35a5df29aff6d8b808c5d96664a0a6b773b38001b",
    "signer": "0xF300c20BDBB459E009c4E55c08CFd33E12f8B0Cb",
    "userId": "782218508"
  }
}