{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xf61f2886695d1b2834cfd7901285d3ddbaa5968d939018d90a0bdee58f2f9c16",
    "signature": "0xe0a83e79fee58de13a4ba0432384e6e8ee5115e400c6933d8594a1d5275df499783d1e9a3b3e595193a3b506c1e3c000e053294f0bb3f795e10525f5541c728f1b",
    "signer": "0x8A2eb611ED13B7Bc9CED13f52F7e15b1055eA0EC",
    "userId": "472472299"
  }
}