{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74227",
    "entityType": "User",
    "nonce": "0xe32642108cf526247142a390b59bffa32cf7adcb15d4f1f3d332a70cb2ad80bf",
    "signature": "0x92b1e8db0e7cf21444f0e275b2f613dada3c18e28bfac70a1de756f43656ac79067400da6c940df783ce249b27620d0fb96a3682b8691ce892d7273b3cdc47721b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}