{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe743b3c07b54d888e183d64f7fb20b67a1e447075860e8d5bb63bd7938e991ac",
    "signature": "0xc61506837b0ffdd3d79fb48a6c618b7f69c4bcfad2ddd678cb3e049db0b7d0c43abc83ae034b55c63330b8d45fafdcfc1b46f1d1d118b1f86b5ca300acda4d9d1c",
    "signer": "0x3f68c4c8760ed398360Fb1dE366BCB66d2201E09",
    "userId": "817199487"
  }
}