{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41770",
    "entityType": "User",
    "nonce": "0xe01b9e3539731a71d9b15a98995082029f008c35e0766c601151090b69cb7816",
    "signature": "0x97b8c9f581c10fcae5d8ac7898fb1ba35cba12dd9db34184984f15a71ef73463125ab2ca039c53fd44e5c659b711e89f4716c209ec47689300b45feaf46b4ab21b",
    "signer": "0x3606D196411cfFBc994b5d1fA493b4FE439A15e5",
    "userId": "871511642"
  }
}