{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364072",
    "entityType": "User",
    "nonce": "0x4b5ec80117f53b562a6359af3307fe5b003b0583c2def9784b46be71c1b2973a",
    "signature": "0x2f8330c68c95a8685fc75fbb75df4c22fc6f10d020bf37d7264deb06cd28ae10706051117f3dccc835143ddcc93e9fac0d179c5991080a3d7757abbe28304d161b",
    "signer": "0x385724dD7df996433e732c73201a749C6B37f65A",
    "userId": "260480467"
  }
}