{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9507",
    "entityType": "User",
    "nonce": "0x0a2abdfdd2b63ca8e127bc7b47e2e538902ffda395ddc6d4a4123c9a14d0d53e",
    "signature": "0x3d487d2bb75664ca6ef6ef55f1381edde17db3c7fe28281acd816775670e9bfc3a2e568959232aaa794d0849860e5c106fe79ab0b2a2e365a3ba58bb11a0910b1c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}