{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179641",
    "entityType": "User",
    "nonce": "0xab852fbc7203609cf6fd89c9d4dc33ec31939f65c567e0e546f1d515d03844af",
    "signature": "0xabe0b813ba401f3fb02d172e82a7a17cf6aff461ff4b970474ff449f429a9db4408b174123738bc3b46bd7c2ca6324f2ef26f0dc7f777d06a6ffa4edf2e534041c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}