{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "156080825",
    "entityType": "User",
    "nonce": "0x80e8fb635880723b9ea547ba0e6986b52ff7c08faa2e92b9e2cdee83d5b03b88",
    "signature": "0x4d2cfbe209d9e1fa129c0a404b6d7d57deee7c4b40d85ffd75fe4c414d7e2d0f400c8ae882379944638f7a50c9b8690b8328e04649ca8fa52fada7ec97ac4c2a1b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}