{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x4113be3979a21c03a84b7136b00b05491c998565d2104205d52c6ad0add08e87",
    "signature": "0x77ebf022fec56b32ea557a83b72b950bf44472113b6d1b7549bcbc20719c1f441eb39088c7ce734783d86419fbff5819abc985bfbe90eabd03758db3a6576eb31c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}