{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204276585",
    "entityType": "User",
    "nonce": "0x45fd5a8b19a9ff5be542661cee2a7202f198d8c05304babcfb62fb6a94015725",
    "signature": "0xc9210bc7d1c418a1e76e222419453c03224f8c4720da57f2b150e182c0d802166510e00314d922ca0e43e7b762c37026d34b2089defd6018a9330cb4c6671ed61c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}