{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0xae12e3c8f9a6dfca71f4347358c74054561fc20140ab22791612f339e082a2bd",
    "signature": "0x0866a8b791d1256b5e03dac94d86f37d383671dc6b646f2651a272570b5bbc241f35006b8a28ef688dd4b38d45f0d1b336bf29c7b90d803ee5bc4198ce3be0e11b",
    "signer": "0xF9B644bb5d7485898881C9e02e17ba2A635ed179",
    "userId": "866715888"
  }
}