{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3670",
    "entityType": "User",
    "nonce": "0x62444488088797d1bfe726da6472f1330fcb10763d4b4d82cc77d71ec838095b",
    "signature": "0x52fdf3144539266785d8e064ceceaf848557e3804e4e46f70dabd22ebca2f66e359f9f117431442228978970fd11320904d5f357d9526567352e858b20cbbf421c",
    "signer": "0x3Ec9E017e31a38A18602E735a761076100861F7b",
    "userId": "910895194"
  }
}