{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x9c909b7b442beec5406e45597305e41202c919fdecba2d9c215dae04e65d8af8",
    "signature": "0x84c560a5622ed56740a1fe2a0d61e4219e901eebfc93ceec324327d70a774c74709f2aacd5c571beb7c15d6499f31e9e67b580c95a9907848d38b1d9973a20a91c",
    "signer": "0xd32819732210Ea4B81f5Ee202a2bcb7704aFEaA1",
    "userId": "714016562"
  }
}