{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176201",
    "entityType": "User",
    "nonce": "0x1c8ba6406198f8c35459a5fc65f824143cc6d8aa18456c3993f0a0f2113b3eeb",
    "signature": "0xf1d3241503c8dfe4358f01feddc03483976502a443e53a090451d26ccff4e0947cb40a2c113e382ed3c0092eed80a95e2663c0aefdf268bfba558bcf319477d91c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}