{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949537054",
    "entityType": "User",
    "nonce": "0xbd9a6d7cbc4eb53bf60c9821fb7fc770433f349baeaf2d604edd78089ad0ce59",
    "signature": "0x25d74c466bdb00fbcac19da5e46e8e3fe1d5ce286098cf40332cd5f5cb2f83aa549cc19758c6bb48657de4fd4be369d7d6aef20b9b110414ff7e84ed767ef8be1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}