{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105352",
    "entityType": "User",
    "nonce": "0xa302d1a5aeef4166bd3827dcce631b5af28f3e6c1d4f1af7c415954d1b57fc10",
    "signature": "0xee83247c83d16e400ec68775c20a94dc1fcfb3f96e1fb87021dd6538252d4ec427fd887c5ea5d9b28c0f50e71d585010c0571c3b6803337afbbc8747ad49482d1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}