{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28834",
    "entityType": "User",
    "nonce": "0xefc73a0c0646dbff31bed4e22b22c4be3de90574a35804c2e5f06aff4f6e85c7",
    "signature": "0x23f3eeb13b4868fdedc5178387ec1902dbfc9ba7330e033e83c6afd2c4bd259e0f4b34e771dc1c288ad111d41ffa3699bcb2c43ce764373005ace86f897ef0ee1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}