{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118330",
    "entityType": "User",
    "nonce": "0x0e73ec833be3bbfd72a77655f1bd95699b73f66c4b6d34b2dbba8d1f218c0796",
    "signature": "0x4ad40cf4e547c0deab9697253fb37b94d4a0d9b3ade59c6a43c4f203eea8924d3fc481774dcc30dfa3278f2e7bdc46b5bda9c801a0867640728ed66dbd6576521b",
    "signer": "0xFbfE539e9A45D0A6bdcc4b126a35a49cB2Cf8DA6",
    "userId": "488993730"
  }
}