{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35318",
    "entityType": "User",
    "nonce": "0x6f2164502b4dc7988ffbb0b14d3b2e8b1a1df0604d43e3b02928cdcfe743e728",
    "signature": "0x5d110596f988b4db780862efa7bc7ed3e0f95af4afbd90b06ee8815f49fec1d330545250f960d197b0cd6e769cf12256d5fd0afbcacbbe4899b5b7fa3b05e6691c",
    "signer": "0x4D8EDeF47b57f98c89BDFf851267B0327BE4cD05",
    "userId": "5307724"
  }
}