{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3056",
    "entityType": "User",
    "nonce": "0x2745da71efe1e29fb5505f02e04fb07ec534bf46d2f74c4410b95cf08263ad66",
    "signature": "0x17eefc83c6e976edebeaa3ec3159bdec3e10dce3648a8d8214bc0070ca3b361522d035a3305d8fee08ff588801117311d05efd919287cdcc151bee811f4029251c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}