{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44625",
    "entityType": "User",
    "nonce": "0x84e670b61a006056b80d9ba0c553ba43b8c2e0b74add5913e7fb700ab3d756ba",
    "signature": "0xd30f1a1b5c8795d021998351464416d7b78f97c3ea895a4b5a081414fc0434571011f5ebac9fc0d82b414900267dbd300a16b440a5b89ee4ca14ae9f2af46e211c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}