{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126960",
    "entityType": "User",
    "nonce": "0x8fe5ee2afb78e29a054090c86b6c1ba71a75936a0e6b48312ab5862f745eb834",
    "signature": "0x3764d364bf2eb0eefe6a2f129a1a385e04ef887f3f850931fb4442713eb6ffe24f5da556cc0fd3c018b9d45ab417b4d197a52129c5bda39cd25c2420a51237801c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}