{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115138",
    "entityType": "User",
    "nonce": "0xdb254181114664b8a45948266a04df7043816134a80c70720204654e6ce2a800",
    "signature": "0xf05c83090ee12caa121e1c04796cd24f79d71893961204e2cefb159703c8aa797b6411d1cff5e62788101b3e74b21e05a516d6cfc6ab6f820f56fa3320ccb6a11b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}