{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10431",
    "entityType": "User",
    "nonce": "0xdc2148b488e8e29aa3a0cceff76a6bdbdeba7575462992433904daf46bd39bd5",
    "signature": "0x5fa3d3103062df6d365b25ff1d38d74b3b9f5d2cc1ec23c54ca74a3ce31082f66f9cc55bb8b286ea4165de7de8e11159b174a51194d351add3010fecc1a3a7951c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}