{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x46c9c32c91e5e41234f9427791cd8983450445959f7199bcf84035ff33612bd6",
    "signature": "0x282f28155d8fe0357bc32b73890c12cb3e2fa2cfc22b2e659c1a38cbcad0b7e854df80e3b7e64beac4e78f35aff59280281c7a189e936812e7644aa1208b88821c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}