{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57439",
    "entityType": "User",
    "nonce": "0xda181243c7ab98f7dd6af7d03c85410e9f510f10c9faef6c6324916c4a360865",
    "signature": "0x123131b3c735a88c2ec467d549c7a21ccfc81574f8fac0c51f19d64ab7d2eb6e5bb5ad4650e1ccb4961f9e720f50cf9187557a29da0cf620dc39355e50e3e05e1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}