{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176467",
    "entityType": "User",
    "nonce": "0xf53aa14cd4ec1a3fe1af78d979063768b486a7b1d678a6b01e4a64f46e3a459c",
    "signature": "0x7052b54181b5f5a21801be43b843a5303c2ea1ed8d1e53de1c52ef425802eb714aca79849fbb2636c0b8cf43eb2cfe1cf8e65af2b7d2dd9fa64e8705f17fa6211c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}