{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x9f363b9167c9ecbc6c88c74cdfc5166161281335f4ec26b6613839881c512435",
    "signature": "0x58fe142b6440b66535332157fcf56c965cc13c7fa7e0955c1e1e1d9042fd0c7b0a5545a5abbcf9b33d3329485fa5472ceee71ce051e689c74082ea1bf43745291c",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}