{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0x91e2bd26fa256652ceb3e68d73fc1246062e47284054350a0b634d888a74f7fb",
    "signature": "0x9873c3ee1afe3519a2269c0c0a4992eadeb57d48e7b97aac7305455e7dfe7b3832a4e3767a04530b68eb390f20e3062f4c9dc11a0ef9065e42034f90ee6ec9681b",
    "signer": "0x03b70C3825d7b9e568C53C89a738061d855d0dec",
    "userId": "578849678"
  }
}