{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44577",
    "entityType": "User",
    "nonce": "0x9d4ee6e5989cac1f34ef825929960b83300f549d485b19a593f3abf2f97e14b9",
    "signature": "0x9d1bb35db839b5eeb9ad83edbbda5caa6fd75dfc90a73a4ac33c5767f16d9a4846e72a3693890f380fa56a4dd6299b2c0fd0d2bd513fbf00bbe1d08fe50cd61d1b",
    "signer": "0x735E924DE10642B12dCde634fE11C4eb41d60B3b",
    "userId": "461837593"
  }
}