{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12958",
    "entityType": "User",
    "nonce": "0x05fa47d5a7a5417ecafaf2048a2cda239487589a15bfe9ca4f496ea355d44dc2",
    "signature": "0xb240518de9b3e9571fdfa52a4e922f69755effdb68e62b1c42cd2d9a11626a5138753c3f11f274c8a831889a8d7e46a72aa0f9ff2d865528dde6cba59a0895b51b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}