{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1905186",
    "entityType": "User",
    "nonce": "0x5c819fa610d5056b34d0749d9ea91e465b0ea563d4000b21b68a68ebb06e0b95",
    "signature": "0xceba4a215c2276ee3824e3caba24a8ecd962c500d0c395e9b0ef1e0d2039e85c2593cd7a94cafce9d51b4c84df9c3d74cd092b1a895bf9d2c1932c02a03bd3221c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}