{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222766",
    "entityType": "User",
    "nonce": "0x83544be09cdfe4d677bcb2ef3a881669629d868ccc236d66eca7b0c8a677c275",
    "signature": "0x028562fc022745d36643ddb00aaf33eaccd3a747c497744d1133adc9cdacb3011bc574ecf4bba710edd0c2070f6fe702b681b0672645e10b1478f0ecacd9f2dc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}