{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x99a2aef8bddae4d9ae5463ea81b9d5e99258470b83b038c3a5b168e3310a8387",
    "signature": "0xd69ef7fa7f901cda7dbfde93d4c269c4f57ef7b63a65e2d8d51602281847a2d441a289dec75c7e81d7f3b6f6fa583b4f4d288c62c3a0cf1eb4904c152738969e1c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}