{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106710",
    "entityType": "User",
    "nonce": "0x859dc86539229a610633bc1f969b2ce496e35a1ddcbce3cf313a618427ec88ca",
    "signature": "0x9588bf8af53104f347031dea88718d152de57c3b6e9b1695b87f88c4ecd34f7b2840eb3bb18d8992a1e0e561af555afcfdc95094323549507826ae3f684a49f91b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}