{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0xb885af9f7765875d93ead90b1ff56ba4529381fe31caa9a84a83a2c2ba6b7037",
    "signature": "0x1db1b639bc6727215aad4bd477595c3969bd8b738b296bda49b56930dbedaba27b0b49c3d5d296cb82649fb54eaf059360fc6327a69e186d9e24f7e3e7905ca01c",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}