{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1717913",
    "entityType": "User",
    "nonce": "0xdc86f23dd413d1ac46fc637b10f9f170a554f7d864957daf878b71e60ccf3d1e",
    "signature": "0x517ddcb1d5663bd41320f1e3a1e76b8c0a999e4f94aa40445faafd0d6b79782e1d492ed7f742cd9b83dcafc76558c2bf29911fd39b825c3d4e90fbb9d295a3e91b",
    "signer": "0xb7379614B0eb5DF6A7e34B5Ab3BeC1DBf061312d",
    "userId": "155222632"
  }
}