{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128010",
    "entityType": "User",
    "nonce": "0x869fc9953988e1bdfe8e517e0048f96dcedff462d46298094785dc4457d97252",
    "signature": "0x737d0c414959af060e3e8193fd1f90e49a803485c80a61bac6becb1a1cc4e84d35f7096e882ececbf568e538b393c3694012a9d13be3681ce1bd89018bcefcd01b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}