{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xc9339908c15c8c26aba1c4f0c5768af3f95cedb4db24a263e23b2357e3cbd193",
    "signature": "0x4ccc341a3a072c9aa7d0cf548da92387d1d51df7e4e6c55ad1a5ab3994464d9b555d31179c91d78f39203225d8d3808e334213fe15c47cbc512e108567f46eaa1c",
    "signer": "0xe78f4db0d7A07c6560894af54fAac97902D8d04b",
    "userId": "406109114"
  }
}