{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239102",
    "entityType": "User",
    "nonce": "0x69cb9f9bf7c9dd68057c1365c1033643a1731877199a223d720c59ad822e8de0",
    "signature": "0x9ce63478b25382f7dca2898acad1c4ded5d9dac6e0ac280ac081a9f2564b11895541ec07e3f5b253bb47398be256227eeb1bc28cd42c31b72fd5def8a2ff9c651c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}