{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217588",
    "entityType": "User",
    "nonce": "0x69ad480efe2d0f458b2c3bf767f675cca665e3e713967c533cc0ebce924aa2b1",
    "signature": "0x3dde2c05bf4c14c8472a6d7cc1ad6cb9150a33a706a16c3c4cd2dcd94fd252c6460603402242fb4d008dad912d0de6651382f17e6b40670ab2ea44688105372d1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}