{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x49159e097eb309599ae6bc561648861e93f3badc0aa68575130a4c32fe7a9e82",
    "signature": "0xfe2e6911e01e63fe2482481d9af10a2e93f9bfde65e79e45fdf09967369cee3114aeb3376fcb7936b22e70d42bfd5f7476f8d138f09b09c03b13be11c16036a91b",
    "signer": "0x79a6c805E8dc4103Ad75915eCa1dB9902271531d",
    "userId": "51770978"
  }
}