{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41187",
    "entityType": "User",
    "nonce": "0x99ff177ebb2b34d50d27df767f498551f691849eaa86ede591e43bce14fb1aa0",
    "signature": "0xf08b49e482f25c2528cac6ae47c77c460ce3be900079d2cb74c21aaa1e11c3005704b341d1acf226485746d1e64bf0dc7a65fda6ff8b3e1c177b8117ed4fd8d71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}