{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346249659",
    "entityType": "User",
    "nonce": "0x2a246238762a5ec62ef358c6a234af5fc93aa18e0ba93b29e79adaf05100e42a",
    "signature": "0xeeff38c309229e2202a072e82f497a459fefe450323ff76118d05695989663ad751426a9148108c7e081ac6cae2f1bfb26d65fc556739c63a8510d64196877321c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}