{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63885",
    "entityType": "User",
    "nonce": "0x4b7fc4b978078d00a1c3303a7c3a07ba4632aa6d8607ec529d486cbaa3a5a34e",
    "signature": "0xd12418d2da8291a90a2f743117414c4a3f462580101c2099b61a3e2934eb30e75d333ff7c1b058cfecc69ee6eb91f67ef6625a2d33133075dfadb65d204784ed1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}