{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc163b883c1a5bdf123ee811ade37b9675698b8e81b346fef67e873c6f277f76b",
    "signature": "0xbb547ecd96e360049609bfdad220dc49dc8fa79397a0663e3a0fc7001a9fd4a60d777249f59eeddb46d0de24cdc781f138e61582bfd7ea7c3f5c8e4b8bafbace1c",
    "signer": "0x9a823e89F23833ebA1E56815dFa76075018b62BC",
    "userId": "920573113"
  }
}