{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77608",
    "entityType": "User",
    "nonce": "0x2cce8b51e2ee674eec8e424c67442dad60a95ef5cb4a91049bb05d12e594bf1d",
    "signature": "0xf731469943697c5729b3483576a964c2f33b4f7b114870677fa0148a91a897da488aea67661535cd0febf740f21801e15e97b377428137b1463a69a0ec01b7ac1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}