{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x63b0f34bdb598b32a97393a636ca9adecc63227f0782a3a2282b9a695c2a7b02",
    "signature": "0x41a9fd7701ff4b5aa4c9ff6976c93e8f0d41c5686b99edf1c9ea0ddd5ea8c55e1dd069b8e25d02d22ff9505d18ad2add6d03a1d1e201efdfb40cb2e5c40492b21c",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}