{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360648741",
    "entityType": "User",
    "nonce": "0x7b0a48e09a4db1b3d7cdebd5de756efd4630f019f4b3d76f05eefe5784aaf9e9",
    "signature": "0x2ea40017cb25fadf5ff63d74338cb8bdf86ba2d128047306dae80b5988fa6a91313d143573069b002f8c6e4b55598541e36afbba29c9c3bd014ed8858c4f2bfb1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}