{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "345811967",
    "entityType": "User",
    "nonce": "0xceb52e269e24e2e698aea64889aef84dfe305a4902b092ce4d742a670b0e3950",
    "signature": "0x9c38a7bb0675afe61b62eb5e847fcb8a80b8ed2d4a35957a0b74f4e18bf664075beeb40378764d3af52da0b864939795adaf63008737ebb00dea2e1815a9d4c51b",
    "signer": "0xc26eA8B58Fc9bC4B812DC6e0869c73b1B0b8B900",
    "userId": "746820395"
  }
}