{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71216",
    "entityType": "User",
    "nonce": "0xea94c3e8111314c37071ffbcac3db2560273ecd00f86b51d1fdc583c5ec35a3e",
    "signature": "0x15b52b8a914a7c5d179817276ee37723f06a90de5e4acbdfc2034dd4532d590b086bcee18f2613ab431c6f473e723ad99455feda12d41cc7e445709145222c551b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}