{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6522",
    "entityType": "User",
    "nonce": "0x322d2a5be9b558b81e5e81eeb2663219e1cf5c8cbba3c3c5199a2e010b93ec80",
    "signature": "0x85c94657362373abc2718e2c6dec2dbfa9755596df6b1f19adc507ba144a183f49775a570eac5fd921ae5e38ad98c335ae47446f4d0b921a9d55e71ba1522ff61c",
    "signer": "0x5617e33979Af319eD3a9a6bFF820d69b7e8877a9",
    "userId": "171261"
  }
}