{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17301",
    "entityType": "User",
    "nonce": "0xcfb631b1693823061dc175e1ef35dde2fdeda3ecae07f0c2de8a68cbf08c18ca",
    "signature": "0xcededed2b5bb60c63cf750f4d0b6209efc2e6a14158fc46f7dc58a75539a03e91277b06b8a49445e3da7e44670b68a44c1fee37d44c9388ebd9fab92f2e119e61c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}