{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5479",
    "entityType": "User",
    "nonce": "0xce615a2a0044701bf8ec33f55746071e195d6a880c5f79471e1a3a141e853f90",
    "signature": "0xbe95d506b3dabb0f5408008f462570324daa3579756aa7aed6f53d8a5e9717d04ffa2b005f85165e53e6f9f838eb8f9099c7b03bb7fb5cb235872c11864acf911b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}