{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0x68ab34b2441c9cdcbb08288ef2401e84df38682e68848b597cfc35e5a2ba2f47",
    "signature": "0xc7388b1252bb21815c20ac1d6e3fa90318853d1db2ce16c612298acceaef752149aff85186933433a25a012038ad172d7a434a5f50dc0e5f352e3410b53368c91b",
    "signer": "0x81EFA534196e076193ecAA58E56299e2828d8589",
    "userId": "763716479"
  }
}