{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186590",
    "entityType": "User",
    "nonce": "0x9f1242855e1d2e945af67e47fca27524d6ac670e7f1d7f93fb0c938f477fc457",
    "signature": "0x1549b6eff41b9423da896241999e96e38b268c87dc2a1f1da625f198be2bfae447e453cbff9ce0fbb9ea5c884a14c9746cb3bf4ad333920f8d84c8e4392d0a461b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}