{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967908042",
    "entityType": "User",
    "nonce": "0x08f926909acde3a9eec1babd509f77dafd6f9c61eba93e216786e9c67d9c575f",
    "signature": "0x21ff55f75fab527222a504a9dc5301c0139faa74332244a16e276accd2b36a3e4adb354e77f14494c02ca1623bc2db86c90a4fa19b547a6967d81709b6c2df411b",
    "signer": "0x1c4e2947b5F9FA4A927a23897193150631C1DA35",
    "userId": "933435942"
  }
}