{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163261",
    "entityType": "User",
    "nonce": "0x02c0806fa8d70ff90b0d6c05819d252eb1ad90aa699cb3089967472c01de34b1",
    "signature": "0xa402e7aa5ad03f6fc8c6262d31e84a3733ad5590333a9bbe59c6522225d557556bf425dd47f381e4ee6982d9e116951bb731a028b041f96a1779a8b98f1b8ba71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}