{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41358",
    "entityType": "User",
    "nonce": "0xfd1f8bcae3a8ba2959f259268892c89f39d0b5d1b6c9debd77fc395cbc7de0cc",
    "signature": "0x743d0b4fe2a010fcd36f7cf5bc31d20d1c2dcdd09268d3965d576724aaabbb0271f0ee89d93725b678ed06d6ed7cb6713b3f075f5a9b5725e29e8ee7455bf3d51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}