{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28131",
    "entityType": "User",
    "nonce": "0xcc5e63e8e69348ec85011ddcf198122d2dc1ad9e02e6e9d386f2b29b5ff9ca0c",
    "signature": "0x8f0a917fe53784a22790edcd10951fc50950011b227f3e6eccca9ccc953cc9292e26d3aeea00f0e232e8560eb427798ebb013faefcd19a9e73c86598ba2150521b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}