{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3541",
    "entityType": "User",
    "nonce": "0xdee298db904baff41546365f520c168c84b6ebec1160b71b64608995ee182a5c",
    "signature": "0x06e708d216b4d295d970934f9a76bcdb150eee5a3ca2a450e906cc92b07398247a56bbc45d0d13127ac47be354b81044cebe2dd0ab17acfd2d7641fa75d12d3c1c",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}