{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x94acc1eb2ad7c15ddcd3c6f3cf2b47e9eb1e8dc563e486d112f2ef2178d45480",
    "signature": "0x9741606e184cf2040d23bdd53a587a8aa391a17ebc328db363abb849e83482e34f7177e3a026135c32819f023aec2ac6f6e8c701917df7aebc6b50955453ec411b",
    "signer": "0x5c2e2A73436Afc1110f5020da81CA7f791682E96",
    "userId": "871579076"
  }
}