{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x46998ebf1d98707e6b4a8f606dfcbac92af86c066e28dba65f64931a972f48e5",
    "signature": "0xde1d166008cff4c5d4ebb8671eb261ddc218d98aa7ae4e1d8900fe6bb9dcebdc3f62e4ffb7f8cd732bfdf8ce984667c615329f1dad5029300c89e7e054704df31c",
    "signer": "0x030204c18e5923d8CAb041D245E7b85E4dAc2003",
    "userId": "626007525"
  }
}