{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x5ab81ec43506edb3515b6f326242fc731f34608ca01542bee7d89d09477af583",
    "signature": "0xe56e6180511915c7d3e8c6d5679442864b7ec9e5ed0c142b0a902e1ed87b105053a19803925a695d34dd21bf467517c3eb361a1efaae2bf90b5b67cb78d64b541c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}