{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x2efdb52667c4994603b40db659a1bc1c239afd3f3022c1389bf0c6e364345957",
    "signature": "0xe1cae90e07616da8c3dfa775c1c11acdb536c9a5ba4aa9922c81408ed9989dcb1107d1653e98c24f37415e3c9a5f5ad802a4fa7c481ec3a3321b3fc994b8e1fd1c",
    "signer": "0xE22639FD840080b20889373FEa6060B4757eB9c1",
    "userId": "274627911"
  }
}