{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x63af88951b4f92109cc7b93398e7a91e792b62f628df782b55c7434b8a000e13",
    "signature": "0xf938c968e159c4d0a9af32dd904367916648ac6e565477b8ef73e8839ac9b5283d47f8a7423a38774d1f014908c4d8c32615b36ba65474b6c0c2aef68b5d30a61b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}