{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18115",
    "entityType": "User",
    "nonce": "0xeda5838b49193aebfc0a375672cfc61134a0a6661b4f69b87b95f5c9fe88d0bf",
    "signature": "0x180f5df812b11ef1ed410448ee9a92d3dce49cf5f79fe982cf7fb888017e404b77997e4fb1bf102e32ed3b0a0187a19e98cb774f96c2c42fb9d751d016097c131c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}