{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58568",
    "entityType": "User",
    "nonce": "0x1c7cec9cb03b8c942bd121ead8e0f46a911c84f39fdd6807ce88b3c68747d139",
    "signature": "0x15f2cc434956df6bdceacbbdbc554f91adda547369ae1f5e7fa5252d0f03d8604928b11deb9af2d5320c57b25f14c4f2853c62323a02236f0e08e8e75b8bdf351c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}