{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114587",
    "entityType": "User",
    "nonce": "0x29e4def63388d62520c3f9e1e594f9d4a51a120482299238a54a6a50575850c5",
    "signature": "0x2a7eeba5084f59bedc84dc4fbec68c91a68edb5b1ec8f93b2266cb22b0376d9f4c23f8d6d19c84dc813315118b5623e6c06b31436d6c0349dd9ccda3e9604ba01c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}