{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x113247b052ff3e0980d7c339249edc68e8c3abc3b64a77e5eb28f6e0f5c86756",
    "signature": "0x56d819d5346a85ceaed3bb658b557aeda116fe2b7538513a2866d000b500e66d3bc33698a3e33e2610b88fc3966c40fbf4f686e907faf812dfcb31a1fb1e49921c",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}