{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd21c066d6ee362c37884797866091107552cd06c37a16527cf37f1294491e353",
    "signature": "0xfccc994b59343bb56634045fa4cb4f675105e1d80e652fbefff1328c0400bfc82b3da136987ee4d53168ca701ba9e134bb10fc08cbbfc1d387c819a1260195f81b",
    "signer": "0x09BefBbd747B3CFe852CC911A1fa4EF5bB5Ebe8f",
    "userId": "195031443"
  }
}