{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65732",
    "entityType": "User",
    "nonce": "0x819628f0b70bdb3e5c953b7dcc7871d338a2ebcf5a432d44af2aed246ed60c92",
    "signature": "0xcb4a2f0c7f3b6ba4da302f0c52999504529cd4c1a1c3d9515f118df6d48f67792143270e5bab7f3e168945dbf25931c21588fdf4ee712c236fd67cc4f3e8b2a11b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}