{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12730129",
    "entityType": "User",
    "nonce": "0x92f17d2c2be4c09581a94c39cca2cc802c4cecb18ca349aea67f342ff71cbcf6",
    "signature": "0x0885f6684bb593192cb0bed14b170bee8fa923408003d3fedea194d01f358dc9548e5ce848ceda9ea9988c5dfa1d570776279d157ae9059af586ca920a4808b41b",
    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}