{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31486",
    "entityType": "User",
    "nonce": "0x1809bf3f454493e02ad25fe6633dde72365ba1dff94cd0670269d16ed4d9bdf2",
    "signature": "0x8a314b5d07929741973af6c5238f7c1014b4031f8d59111fcbbf99706a064e0c64672b2c983685b19df21f81bba16e3af75911192c71fd061a130aecd7dc09051c",
    "signer": "0xF5C198A035503518a579b15Fb9eE834F3b4b1bAB",
    "userId": "765691673"
  }
}