{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951546743",
    "entityType": "User",
    "nonce": "0x17368e99ddbc705a7a8716266374f890705ff72c75af6521b04840cb6bdeadd7",
    "signature": "0x46828f79ba9590f25b700f4e9c5684839602b431778d77971d0aed726745b55458a457ec426051baf2e59f37bd85dbcd208574e27c962d397eb507b4efe2792c1c",
    "signer": "0x91A0243d0c4b44cB682cB60883cB72C26a8Eda55",
    "userId": "298293683"
  }
}