{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x60ba21c8c6301599f6d6cbd8871bcf463e9971f53f271fac83bcc2d8a2fb95a0",
    "signature": "0x373853aba60ddac8ddcc3c7ec59a0ffaf43b57b9f39d57eb84a62588036bb77a4c9bb5c5ff9f1c922794a8a482f9cd68a6c61cb50db2653fec3d586da65558401c",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}