{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152097857",
    "entityType": "User",
    "nonce": "0x09185210297e607c78749f561694baadb5d2ac364d9c9e9aab52ece4f2665a2a",
    "signature": "0xf0056a4f25b6c41da566f54887bb083e255a69ea445ceec9ab9a98a90947f9864f960c6ef38fd58dafbc4627e4f14ce0f6a335262b85847c3b434936177f7f7b1c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}