{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xd8b02fc307cbf72e2daff13243beae5d1d36ce0b512223f9ae2e8bfe7d602131",
    "signature": "0x5e7d2dcec4f7ed12ba117b3b025891c15c959ede6f8d8946e6d47a477b7c18da09fcb4a2a36ce08dab57e71b19a0fa65b5fbc5534595839f79ad183116cb495a1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}