{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0x020be4e5f63cc8ea563c023621d2ce93bfb7d3db60e7d6caeb31ad0eb48702b4",
    "signature": "0xa3ee6aa369b4198604f3b9bd8a9ebd31efd774f33a5e8fee6959e4eac479debf288ec20cfed900a3e41a870a2f7a4aa2c757b37d54cb7f05cb03e70299c5a5621b",
    "signer": "0x5c2e2A73436Afc1110f5020da81CA7f791682E96",
    "userId": "871579076"
  }
}