{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17074",
    "entityType": "User",
    "nonce": "0x8e3d9e04cb8c7f47f777aeb20c208522f96c9c164f17713dc15851abba3854e3",
    "signature": "0x78edbb507f5f8e4c1fa45a508b63cea5bdfa0e941f9fb11870c19a74a85d85463e4b7d88dd74efae3249836c5074654c551cb39406ec056143ef9181c944f2581b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}