{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127983",
    "entityType": "User",
    "nonce": "0x6ea080a189638ca516ea4a1ba27b6e06f4ac1e7e7ce9939d5b2741cafad38062",
    "signature": "0x98c00a8409621f36df5f62e6b2783274d21764ab278976811cdde1a32f0812b34cbb4ff61c1a330e71e3fdd42e76126586bddb7d9764f1879d443140dd24079a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}