{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188358",
    "entityType": "User",
    "nonce": "0x324ad1a34e81af1c1375a389407c15620e635fa6866dc7b5e3efc5fe136c0cb2",
    "signature": "0xc37595bc1c7e6da1623d4720aa53f3fbc9a2dca8f9f42bd812671cdf4eb28ea44f7f4c183b928f7a2336985a9135837f56fb686bc9f210da33100350c6952cd61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}