{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106415",
    "entityType": "User",
    "nonce": "0xa69e7df562736d4d2a681dd76adc770c084031f747c954b92f312758d5b0974a",
    "signature": "0x89e269bc8fe89b2e1a12ac793e9342d846ff54bc9ba4ef9961dcec175dcdbaf90a89e31dfb45ecd892020d0f76cbc4eb00721ba05c3e90998476cc294132ee6b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}