{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90197",
    "entityType": "User",
    "nonce": "0x2b7b6ebfad6ff79aefd08740031d6693a5792d64bc676d899e17209d30c83b2a",
    "signature": "0x077f4b0d6a71432a6e90bc67da1db04833bbca80a5158169323190d6207d72c24009281a6d3d63b48cf12d82843da03196413165c8ac830246c3f5eebbb331681c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}